Home / 1,590,032.72-2,194,634.89-902,107.26

Finding the Fourth Proportional to 1,590,032.72, 2,194,634.89 and 902,107.26

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Solution

The fourth proportional to 1,590,032.72, 2,194,634.89 and 902,107.26 is: 1,245,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,032.72 : 2,194,634.89 = 902,107.26 : x
  2. Step 2: Convert to fraction form
    1,590,032.72/2,194,634.89 = 902,107.26/x
  3. Step 3: Cross multiply
    1,590,032.72x = 2,194,634.89 × 902,107.26
  4. Step 4: Simplify right side
    1,590,032.72x = 1,979,796,061,913.73
  5. Step 5: Solve for x
    x = 1,979,796,061,913.73/1,590,032.72
  6. Step 6: Final answer
    x = 1,245,129.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.